Home / 1,811,193,853.71-2,499,432,493.23-1,018,243,367.40

Finding the Fourth Proportional to 1,811,193,853.71, 2,499,432,493.23 and 1,018,243,367.40

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Solution

The fourth proportional to 1,811,193,853.71, 2,499,432,493.23 and 1,018,243,367.40 is: 1,405,167,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,193,853.71 : 2,499,432,493.23 = 1,018,243,367.40 : x
  2. Step 2: Convert to fraction form
    1,811,193,853.71/2,499,432,493.23 = 1,018,243,367.40/x
  3. Step 3: Cross multiply
    1,811,193,853.71x = 2,499,432,493.23 × 1,018,243,367.40
  4. Step 4: Simplify right side
    1,811,193,853.71x = 2,545,030,558,495,492,608
  5. Step 5: Solve for x
    x = 2,545,030,558,495,492,608/1,811,193,853.71
  6. Step 6: Final answer
    x = 1,405,167,400.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.